CVE-2026-42167
- State
- Published
- Severity
- 8.1 High
- Published
- Apr 28, 2026
- Updated
- May 1, 2026
- Reserved
- Apr 24, 2026
Description
mod_sql in ProFTPD before 1.3.9a allows remote attackers to execute arbitrary code via a username, in scenarios where there is logging of USER requests with an expansion such as %U, and the SQL backend allows commands (e.g., COPY TO PROGRAM).
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | mitre |
Weaknesses
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Affected Products
| Product | Versions |
|---|---|
ProFTPDProFTPD |
|
References
- http://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1
- https://github.com/proftpd/proftpd/issues/2052
- https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce
- https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc
- https://www.openwall.com/lists/oss-security/2026/05/01/4
- http://www.openwall.com/lists/oss-security/2026/05/01/4
- http://www.openwall.com/lists/oss-security/2026/05/01/13
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